src/scriptvm/common.cpp

/*
 * Copyright (c) 2014-2019 Christian Schoenebeck
 *
 * http://www.linuxsampler.org
 *
 * This file is part of LinuxSampler and released under the same terms.
 * See README file for details.
 */

#include "common.h"
#include <iostream>
#include "editor/SourceToken.h"

namespace LinuxSampler {

    ///////////////////////////////////////////////////////////////////////
    // class 'VMUnit'

    static vmfloat _unitFactor(MetricPrefix_t prefix) {
        switch (prefix) {
            case VM_NO_PREFIX:  return 1.f;
            case VM_KILO:       return 1000.f;
            case VM_HECTO:      return 100.f;
            case VM_DECA:       return 10.f;
            case VM_DECI:       return 0.1f;
            case VM_CENTI:      return 0.01f;
            case VM_MILLI:      return 0.001f;
            case VM_MICRO:      return 0.000001f;
        }
        return 1.f;
    }

    vmfloat VMUnit::unitFactor(MetricPrefix_t prefix) {
        return _unitFactor(prefix);
    }

    vmfloat VMUnit::unitFactor(MetricPrefix_t prefix1, MetricPrefix_t prefix2) {
        return _unitFactor(prefix1) * _unitFactor(prefix2);
    }

    vmfloat VMUnit::unitFactor(const MetricPrefix_t* prefixes, vmuint size) {
        vmfloat f = VM_NO_FACTOR;
        for (vmuint i = 0; i < size && prefixes[i]; ++i)
            f *= _unitFactor(prefixes[i]);
        return f;
    }

    bool VMUnit::hasUnitFactorNow() const {
        return unitFactor() != VM_NO_FACTOR;
    }

    ///////////////////////////////////////////////////////////////////////
    // class 'VMExpr'

    VMIntExpr* VMExpr::asInt() const {
        return const_cast<VMIntExpr*>( dynamic_cast<const VMIntExpr*>(this) );
    }

    VMRealExpr* VMExpr::asReal() const {
        return const_cast<VMRealExpr*>( dynamic_cast<const VMRealExpr*>(this) );
    }

    VMNumberExpr* VMExpr::asNumber() const {
        return const_cast<VMNumberExpr*>(
            dynamic_cast<const VMNumberExpr*>(this)
        );
    }

    VMStringExpr* VMExpr::asString() const {
        return const_cast<VMStringExpr*>( dynamic_cast<const VMStringExpr*>(this) );
    }

    VMIntArrayExpr* VMExpr::asIntArray() const {
        return const_cast<VMIntArrayExpr*>( dynamic_cast<const VMIntArrayExpr*>(this) );
    }

    VMRealArrayExpr* VMExpr::asRealArray() const {
        return const_cast<VMRealArrayExpr*>(
            dynamic_cast<const VMRealArrayExpr*>(this)
        );
    }

    VMArrayExpr* VMExpr::asArray() const {
        return const_cast<VMArrayExpr*>(
            dynamic_cast<const VMArrayExpr*>(this)
        );
    }

    bool VMExpr::isModifyable() const {
        const VMVariable* var = dynamic_cast<const VMVariable*>(this);
        return (!var) ? false : var->isAssignable();
    }

    bool VMFunction::acceptsArgUnitType(vmint iArg, StdUnit_t type) const {
        return type == VM_NO_UNIT;
    }

    bool VMFunction::acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const {
        return false;
    }

    bool VMFunction::acceptsArgFinal(vmint iArg) const {
        return false;
    }

    void VMFunction::checkArgs(VMFnArgs* args,
                               std::function<void(String)> err,
                               std::function<void(String)> wrn)
    {
    }

    void VMFunction::wrnMsg(const String& txt) {
        std::cout << "[ScriptVM] " << txt << std::endl;
    }

    void VMFunction::errMsg(const String& txt) {
        std::cerr << "[ScriptVM] " << txt << std::endl;
    }

    ///////////////////////////////////////////////////////////////////////
    // class 'VMNumberExpr'

    vmint VMNumberExpr::evalCastInt() {
        if (exprType() == INT_EXPR)
            return asInt()->evalInt();
        else
            return vmint( asReal()->evalReal() );
    }

    vmfloat VMNumberExpr::evalCastReal() {
        if (exprType() == REAL_EXPR)
            return asReal()->evalReal();
        else
            return vmfloat( asInt()->evalInt() );
    }

    ///////////////////////////////////////////////////////////////////////
    // class 'VMIntExpr'

    vmint VMIntExpr::evalInt(MetricPrefix_t prefix) {
        vmfloat f = (vmfloat) evalInt();
        vmfloat factor = unitFactor() / _unitFactor(prefix);
        return (vmint) f * factor;
    }

    vmint VMIntExpr::evalInt(MetricPrefix_t prefix1, MetricPrefix_t prefix2) {
        vmfloat f = (vmfloat) evalInt();
        vmfloat factor = unitFactor() /
                            ( _unitFactor(prefix1) * _unitFactor(prefix2) );
        return (vmint) f * factor;
    }

    ///////////////////////////////////////////////////////////////////////
    // class 'VMRealExpr'

    vmfloat VMRealExpr::evalReal(MetricPrefix_t prefix) {
        vmfloat f = evalReal();
        vmfloat factor = unitFactor() / _unitFactor(prefix);
        return f * factor;
    }

    vmfloat VMRealExpr::evalReal(MetricPrefix_t prefix1, MetricPrefix_t prefix2) {
        vmfloat f = evalReal();
        vmfloat factor = unitFactor() /
                            ( _unitFactor(prefix1) * _unitFactor(prefix2) );
        return f * factor;
    }

    ///////////////////////////////////////////////////////////////////////
    // class 'VMSourceToken'

    VMSourceToken::VMSourceToken() : m_token(NULL) {
    }

    VMSourceToken::VMSourceToken(SourceToken* ct) : m_token(ct) {
    }

    VMSourceToken::VMSourceToken(const VMSourceToken& other) {
        if (other.m_token) {
            m_token = new SourceToken;
            *m_token = *other.m_token;
        } else m_token = NULL;
    }

    VMSourceToken::~VMSourceToken() {
        if (m_token) {
            delete m_token;
            m_token = NULL;
        }
    }

    VMSourceToken& VMSourceToken::operator=(const VMSourceToken& other) {
        if (m_token) delete m_token;
        if (other.m_token) {
            m_token = new SourceToken;
            *m_token = *other.m_token;
        } else m_token = NULL;
        return *this;
    }

    String VMSourceToken::text() const {
        return (m_token) ? m_token->text() : "";
    }

    int VMSourceToken::firstLine() const {
        return (m_token) ? m_token->firstLine() : 0;
    }

    int VMSourceToken::firstColumn() const {
        return (m_token) ? m_token->firstColumn() : 0;
    }

    bool VMSourceToken::isEOF() const {
        return (m_token) ? m_token->isEOF() : true;
    }

    bool VMSourceToken::isNewLine() const {
        return (m_token) ? m_token->isNewLine() : false;
    }

    bool VMSourceToken::isKeyword() const {
        return (m_token) ? m_token->isKeyword() : false;
    }

    bool VMSourceToken::isVariableName() const {
        return (m_token) ? m_token->isVariableName() : false;
    }

    bool VMSourceToken::isIdentifier() const {
        return (m_token) ? m_token->isIdentifier() : false;
    }

    bool VMSourceToken::isNumberLiteral() const {
        return (m_token) ? m_token->isNumberLiteral() : false;
    }

    bool VMSourceToken::isStringLiteral() const {
        return (m_token) ? m_token->isStringLiteral() : false;
    }

    bool VMSourceToken::isComment() const {
        return (m_token) ? m_token->isComment() : false;
    }

    bool VMSourceToken::isPreprocessor() const {
        return (m_token) ? m_token->isPreprocessor() : false;
    }

    bool VMSourceToken::isMetricPrefix() const {
        return (m_token) ? m_token->isMetricPrefix() : false;
    }

    bool VMSourceToken::isStdUnit() const {
        return (m_token) ? m_token->isStdUnit() : false;
    }

    bool VMSourceToken::isOther() const {
        return (m_token) ? m_token->isOther() : true;
    }

    bool VMSourceToken::isIntegerVariable() const {
        return (m_token) ? m_token->isIntegerVariable() : false;
    }

    bool VMSourceToken::isRealVariable() const {
        return (m_token) ? m_token->isRealVariable() : false;
    }

    bool VMSourceToken::isStringVariable() const {
        return (m_token) ? m_token->isStringVariable() : false;
    }

    bool VMSourceToken::isIntArrayVariable() const {
        return (m_token) ? m_token->isIntegerArrayVariable() : false;
    }

    bool VMSourceToken::isRealArrayVariable() const {
        return (m_token) ? m_token->isRealArrayVariable() : false;
    }

    bool VMSourceToken::isArrayVariable() const { // deprecated API: will be removed !
        return isIntArrayVariable();
    }

    bool VMSourceToken::isEventHandlerName() const {
        return (m_token) ? m_token->isEventHandlerName() : false;
    }

} // namespace LinuxSampler
1	/*
2	* Copyright (c) 2014-2019 Christian Schoenebeck
3	*
4	* http://www.linuxsampler.org
5	*
6	* This file is part of LinuxSampler and released under the same terms.
7	* See README file for details.
8	*/
9
10	#include "common.h"
11	#include <iostream>
12	#include "editor/SourceToken.h"
13
14	namespace LinuxSampler {
15
16	///////////////////////////////////////////////////////////////////////
17	// class 'VMUnit'
18
19	static vmfloat _unitFactor(MetricPrefix_t prefix) {
20	switch (prefix) {
21	case VM_NO_PREFIX: return 1.f;
22	case VM_KILO: return 1000.f;
23	case VM_HECTO: return 100.f;
24	case VM_DECA: return 10.f;
25	case VM_DECI: return 0.1f;
26	case VM_CENTI: return 0.01f;
27	case VM_MILLI: return 0.001f;
28	case VM_MICRO: return 0.000001f;
29	}
30	return 1.f;
31	}
32
33	vmfloat VMUnit::unitFactor(MetricPrefix_t prefix) {
34	return _unitFactor(prefix);
35	}
36
37	vmfloat VMUnit::unitFactor(MetricPrefix_t prefix1, MetricPrefix_t prefix2) {
38	return _unitFactor(prefix1) * _unitFactor(prefix2);
39	}
40
41	vmfloat VMUnit::unitFactor(const MetricPrefix_t* prefixes, vmuint size) {
42	vmfloat f = VM_NO_FACTOR;
43	for (vmuint i = 0; i < size && prefixes[i]; ++i)
44	f *= _unitFactor(prefixes[i]);
45	return f;
46	}
47
48	bool VMUnit::hasUnitFactorNow() const {
49	return unitFactor() != VM_NO_FACTOR;
50	}
51
52	///////////////////////////////////////////////////////////////////////
53	// class 'VMExpr'
54
55	VMIntExpr* VMExpr::asInt() const {
56	return const_cast<VMIntExpr>( dynamic_cast<const VMIntExpr>(this) );
57	}
58
59	VMRealExpr* VMExpr::asReal() const {
60	return const_cast<VMRealExpr>( dynamic_cast<const VMRealExpr>(this) );
61	}
62
63	VMNumberExpr* VMExpr::asNumber() const {
64	return const_cast<VMNumberExpr*>(
65	dynamic_cast<const VMNumberExpr*>(this)
66	);
67	}
68
69	VMStringExpr* VMExpr::asString() const {
70	return const_cast<VMStringExpr>( dynamic_cast<const VMStringExpr>(this) );
71	}
72
73	VMIntArrayExpr* VMExpr::asIntArray() const {
74	return const_cast<VMIntArrayExpr>( dynamic_cast<const VMIntArrayExpr>(this) );
75	}
76
77	VMRealArrayExpr* VMExpr::asRealArray() const {
78	return const_cast<VMRealArrayExpr*>(
79	dynamic_cast<const VMRealArrayExpr*>(this)
80	);
81	}
82
83	VMArrayExpr* VMExpr::asArray() const {
84	return const_cast<VMArrayExpr*>(
85	dynamic_cast<const VMArrayExpr*>(this)
86	);
87	}
88
89	bool VMExpr::isModifyable() const {
90	const VMVariable* var = dynamic_cast<const VMVariable*>(this);
91	return (!var) ? false : var->isAssignable();
92	}
93
94	bool VMFunction::acceptsArgUnitType(vmint iArg, StdUnit_t type) const {
95	return type == VM_NO_UNIT;
96	}
97
98	bool VMFunction::acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const {
99	return false;
100	}
101
102	bool VMFunction::acceptsArgFinal(vmint iArg) const {
103	return false;
104	}
105
106	void VMFunction::checkArgs(VMFnArgs* args,
107	std::function<void(String)> err,
108	std::function<void(String)> wrn)
109	{
110	}
111
112	void VMFunction::wrnMsg(const String& txt) {
113	std::cout << "[ScriptVM] " << txt << std::endl;
114	}
115
116	void VMFunction::errMsg(const String& txt) {
117	std::cerr << "[ScriptVM] " << txt << std::endl;
118	}
119
120	///////////////////////////////////////////////////////////////////////
121	// class 'VMNumberExpr'
122
123	vmint VMNumberExpr::evalCastInt() {
124	if (exprType() == INT_EXPR)
125	return asInt()->evalInt();
126	else
127	return vmint( asReal()->evalReal() );
128	}
129
130	vmfloat VMNumberExpr::evalCastReal() {
131	if (exprType() == REAL_EXPR)
132	return asReal()->evalReal();
133	else
134	return vmfloat( asInt()->evalInt() );
135	}
136
137	///////////////////////////////////////////////////////////////////////
138	// class 'VMIntExpr'
139
140	vmint VMIntExpr::evalInt(MetricPrefix_t prefix) {
141	vmfloat f = (vmfloat) evalInt();
142	vmfloat factor = unitFactor() / _unitFactor(prefix);
143	return (vmint) f * factor;
144	}
145
146	vmint VMIntExpr::evalInt(MetricPrefix_t prefix1, MetricPrefix_t prefix2) {
147	vmfloat f = (vmfloat) evalInt();
148	vmfloat factor = unitFactor() /
149	( _unitFactor(prefix1) * _unitFactor(prefix2) );
150	return (vmint) f * factor;
151	}
152
153	///////////////////////////////////////////////////////////////////////
154	// class 'VMRealExpr'
155
156	vmfloat VMRealExpr::evalReal(MetricPrefix_t prefix) {
157	vmfloat f = evalReal();
158	vmfloat factor = unitFactor() / _unitFactor(prefix);
159	return f * factor;
160	}
161
162	vmfloat VMRealExpr::evalReal(MetricPrefix_t prefix1, MetricPrefix_t prefix2) {
163	vmfloat f = evalReal();
164	vmfloat factor = unitFactor() /
165	( _unitFactor(prefix1) * _unitFactor(prefix2) );
166	return f * factor;
167	}
168
169	///////////////////////////////////////////////////////////////////////
170	// class 'VMSourceToken'
171
172	VMSourceToken::VMSourceToken() : m_token(NULL) {
173	}
174
175	VMSourceToken::VMSourceToken(SourceToken* ct) : m_token(ct) {
176	}
177
178	VMSourceToken::VMSourceToken(const VMSourceToken& other) {
179	if (other.m_token) {
180	m_token = new SourceToken;
181	m_token = other.m_token;
182	} else m_token = NULL;
183	}
184
185	VMSourceToken::~VMSourceToken() {
186	if (m_token) {
187	delete m_token;
188	m_token = NULL;
189	}
190	}
191
192	VMSourceToken& VMSourceToken::operator=(const VMSourceToken& other) {
193	if (m_token) delete m_token;
194	if (other.m_token) {
195	m_token = new SourceToken;
196	m_token = other.m_token;
197	} else m_token = NULL;
198	return *this;
199	}
200
201	String VMSourceToken::text() const {
202	return (m_token) ? m_token->text() : "";
203	}
204
205	int VMSourceToken::firstLine() const {
206	return (m_token) ? m_token->firstLine() : 0;
207	}
208
209	int VMSourceToken::firstColumn() const {
210	return (m_token) ? m_token->firstColumn() : 0;
211	}
212
213	bool VMSourceToken::isEOF() const {
214	return (m_token) ? m_token->isEOF() : true;
215	}
216
217	bool VMSourceToken::isNewLine() const {
218	return (m_token) ? m_token->isNewLine() : false;
219	}
220
221	bool VMSourceToken::isKeyword() const {
222	return (m_token) ? m_token->isKeyword() : false;
223	}
224
225	bool VMSourceToken::isVariableName() const {
226	return (m_token) ? m_token->isVariableName() : false;
227	}
228
229	bool VMSourceToken::isIdentifier() const {
230	return (m_token) ? m_token->isIdentifier() : false;
231	}
232
233	bool VMSourceToken::isNumberLiteral() const {
234	return (m_token) ? m_token->isNumberLiteral() : false;
235	}
236
237	bool VMSourceToken::isStringLiteral() const {
238	return (m_token) ? m_token->isStringLiteral() : false;
239	}
240
241	bool VMSourceToken::isComment() const {
242	return (m_token) ? m_token->isComment() : false;
243	}
244
245	bool VMSourceToken::isPreprocessor() const {
246	return (m_token) ? m_token->isPreprocessor() : false;
247	}
248
249	bool VMSourceToken::isMetricPrefix() const {
250	return (m_token) ? m_token->isMetricPrefix() : false;
251	}
252
253	bool VMSourceToken::isStdUnit() const {
254	return (m_token) ? m_token->isStdUnit() : false;
255	}
256
257	bool VMSourceToken::isOther() const {
258	return (m_token) ? m_token->isOther() : true;
259	}
260
261	bool VMSourceToken::isIntegerVariable() const {
262	return (m_token) ? m_token->isIntegerVariable() : false;
263	}
264
265	bool VMSourceToken::isRealVariable() const {
266	return (m_token) ? m_token->isRealVariable() : false;
267	}
268
269	bool VMSourceToken::isStringVariable() const {
270	return (m_token) ? m_token->isStringVariable() : false;
271	}
272
273	bool VMSourceToken::isIntArrayVariable() const {
274	return (m_token) ? m_token->isIntegerArrayVariable() : false;
275	}
276
277	bool VMSourceToken::isRealArrayVariable() const {
278	return (m_token) ? m_token->isRealArrayVariable() : false;
279	}
280
281	bool VMSourceToken::isArrayVariable() const { // deprecated API: will be removed !
282	return isIntArrayVariable();
283	}
284
285	bool VMSourceToken::isEventHandlerName() const {
286	return (m_token) ? m_token->isEventHandlerName() : false;
287	}
288
289	} // namespace LinuxSampler